Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964856AbWBCCgq (ORCPT ); Thu, 2 Feb 2006 21:36:46 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964858AbWBCCgq (ORCPT ); Thu, 2 Feb 2006 21:36:46 -0500 Received: from mail.tmr.com ([64.65.253.246]:40208 "EHLO firewall2.tmr.com") by vger.kernel.org with ESMTP id S964856AbWBCCgp (ORCPT ); Thu, 2 Feb 2006 21:36:45 -0500 Date: Thu, 2 Feb 2006 21:36:41 -0500 (EST) From: Bill Davidsen Reply-To: davidsen@tmr.com To: Pavel Machek cc: Bill Davidsen , Linux Kernel Mailing List Subject: Re: CD writing - related question In-Reply-To: <20060202201943.GB2264@elf.ucw.cz> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2287 Lines: 65 On Thu, 2 Feb 2006, Pavel Machek wrote: > > X-UID: 40919 > > On Čt 02-02-06 14:40:28, Bill Davidsen wrote: > > Pavel Machek wrote: > > >On Mon 30-01-06 18:30:29, Bill Davidsen wrote: > > > > > >>Please take this as a question to elicit information, not > > >>an invitation for argument. > > >> > > >>In Linux currently: > > >>SCSI - liiks like SCSI > > >>USB - looks like SCSI > > >>Firewaire - looks like SCSI > > >>SATA - looks like SCSI > > >>Compact flash and similar - looks like SCSI > > > > > > > > >Your definition of "looks like scsi" is way too broad. CF looks like > > >PCMCIA and that in turn is ide chip on isa-like bus. > > > > > >(unless you plug it to usb reader) > > > > > I was unaware of any serious use of PCMCIA reader cards therese days, as > > you note the CD shows up as an sd device. I have a laptop which might > > have a card slot, if it takes CD I'll pull one from my camera and try it > > there instead of the USB reader. > > CD? Did you want to say CF? Yes, thanks. > > Anyway it is not really PCMCIA reader. It is just PCMCIA-to-CF > adapter, plugged into PCMCIA slot. Adapter is pretty much passive. > > > The question is still why not make all devices look like SCSI, and use > > one set of drivers and a bit of glue. Redhat used to use ide-scsi by > > default if my memory serves, and the overhead wasn't an issue even back > > on my 1st Linux laptop running Slackware on a Thinkpad 486-25 (the fat > > one, not the 486-16 -;). > > CF card is as much ide as it can get. You can even pug it to IDE cable > with passive adapter! > > Forcing everything to SCSI makes about as much sense as making > everything look like IDE. No, we have the way to make everything look like SCSI now, ide-scsi. We can't make (real) SCSI look like IDE. And if you are using IDE instead of ATAPI (non-SCSI command set?) you would ahve to stay with an older kernel. > Pavel -- bill davidsen CTO TMR Associates, Inc Doing interesting things with little computers since 1979 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/